Business has its ups and downs, and so, naturally, do women in business. (Bye-bye, Martha!) But the story of this list is one of achievement: The credentials of these women,
including the 13 newcomers, are the strongest yet.

It's been a turbulent time for the banking giant ($89.6 billion in revenues; $240 billion market cap) and also for Krawcheck, who used to be chief financial officer. Amid problems
with the stock and the ouster of Todd Thomson, Krawcheck was reassigned to his post as head of the $10 billion wealth management business. The move shrinks her profile on Wall
Street, but it also proves that CEO Chuck Prince counts on her to calm troubled waters.